chore: minimize noise from build scripts (#387)

This should limit the amount of scrolling client devs have to do when debugging a test failure

Co-authored-by: Elliotte Rusty Harold <elharo@users.noreply.github.com>
Co-authored-by: Neenu Shaji <Neenu1995@users.noreply.github.com>

Source-Author: Igor Bernstein <igorbernstein@google.com>
Source-Date: Fri Jun 18 17:28:07 2021 -0400
Source-Repo: googleapis/synthtool
Source-Sha: 1c0c698705e668ccb3d68556ae7260f16ce63a6e
Source-Link: googleapis/synthtool@1c0c698

java-shared-dependencies/.kokoro/coerce_logs.sh

@@ -28,7 +28,6 @@ job=$(basename ${KOKORO_JOB_NAME})
 echo "coercing sponge logs..."
 for xml in `find . -name *-sponge_log.xml`
 do
-  echo "processing ${xml}"
   class=$(basename ${xml} | cut -d- -f2)
   dir=$(dirname ${xml})/${job}/${class}
   text=$(dirname ${xml})/${class}-sponge_log.txt

java-shared-dependencies/synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-shared-dependencies.git",
-        "sha": "44961532f621b0ab19e9e7feebb7d588aef5d423"
+        "sha": "7b1d4cf317fbd75b91d6a63f82b5fc2f46eaf3ca"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "8f76a885deaaf2fe234daeba4a8cc4d1b3de8086"
+        "sha": "1c0c698705e668ccb3d68556ae7260f16ce63a6e"
       }
     }
   ],